#include <LiquidCrystal.h>
LiquidCrystal lcd(12, 11, 5, 4, 3, 6);

#define R 2
#define G 1
#define B 0

//music tones
int tones[7]={523,587,659,698,784,880,988};

			
//Do ,Re ,Me ,Fa ,So ,La ,Si
int DO=tones[0];
int RE=tones[1];
int ME=tones[2];
int FA=tones[3];
int SO=tones[4];
int LA=tones[5];
int SI=tones[6];

//mario tones


//song 1
int yamaha[2][34]={{DO,RE,ME,FA,SO,LA,FA,ME,RE,DO,SO,FA,ME,SO
                  ,FA,ME,RE,SO,FA,ME,SO,FA,ME,RE,DO,RE,ME,FA,
                  SO,LA,FA,ME,RE,DO},{500,500,500,500,500,500
                  ,500,500,500,500,250,250,250,250,250,250,250
                  ,250,250,250,250,250,250,250,500,500,500,500
                  ,500,500,500,500,500,500}};


//song 2
int littleStar[2][42]={{DO,DO,SO,SO,LA,LA,SO,FA,FA,ME,ME,RE,RE,DO
  					  ,SO,SO,FA,FA,ME,ME,RE,SO,SO,FA,FA,ME,ME,RE
                      ,DO,DO,SO,SO,LA,LA,SO,FA,FA,ME,ME,RE,RE,DO
                     },{500,500,500,500,500,500,1000,500,500,500,
                        500,500,500,1000,500,500,500,500,500,500,
                        1000,500,500,500,500,500,500,1000,500,500
                         ,500,500,500,500,1000,500,500,500,500,
                        500,500,1000}};


//song 3
int sheep[2][25]={{SI,LA,SO,LA,SI,SI,SI,LA,LA,LA,SI,SI,SI,SI,LA,
                 SO,LA,SI,SI,SI,LA,LA,SI,LA,SO},{240,240,240,240,
                 240,240,480,240,240,480,240,240,480,240,240
                 ,240,240,240,240,480,240,240,240,240,480}};


//Buttons value
int first=10;
int second=9;
int third=8;


//starting
void setup()
{
  noTone(A5);
  pinMode(first,INPUT);
  pinMode(second,INPUT);
  pinMode(third,INPUT);
  pinMode(R, OUTPUT);
  pinMode(G, OUTPUT);
  pinMode(B, OUTPUT);
  lcd.begin(16,2);
  lcd.setCursor(0,0);
  lcd.print("Choose music");
}


//Choosing a song
void loop()
{
  if(digitalRead(first)==1){
    digitalWrite(R, HIGH);
    song(1);
    delay(1000);
    lcd.clear();
    lcd.setCursor(0,0);
  	lcd.print("Choose music");
  }
  else if(digitalRead(second)==1){
    digitalWrite(G, HIGH);
    song(2);
    delay(1000);
    lcd.clear();
    lcd.setCursor(0,0);
  	lcd.print("Choose music");
  }
  else if(digitalRead(third)==1){
    digitalWrite(B, HIGH);
  	song(3);
    delay(1000);
    lcd.clear();
    lcd.setCursor(0,0);
  	lcd.print("Choose music");
  }
}


//playing song 1 (Yamaha Class)
void song(int i){
  lcd.clear();
  switch(i){
    case 1:
      lcd.setCursor(0,0);
      lcd.print("1.Yamaha Class");
      lcd.setCursor(2,1);
      lcd.print("/14 sec");
      for(int j=0;j<=33;j++){
      	tone(A5,yamaha[0][j]);
        lcd.setCursor(0,1);
        delay(yamaha[1][j]);
        noTone(A5);
        delay(20);
      }
      noTone(A5);
      break;
    
    
    //playing song 2 (Little Star)
    case 2:
    	lcd.setCursor(0,0);
      	lcd.print("2.Little Star");
    	lcd.setCursor(2,1);
        lcd.print("/24 sec");
    	for(int j=0;j<=41;j++){
      		tone(A5,littleStar[0][j]);
          	lcd.setCursor(0,1);
        	delay(littleStar[1][j]);
        	noTone(A5);
        	delay(20);
      }
      noTone(A5);
      break;
    
    
    //playing song 3 (Mary's Lamb)
    case 3:
    	lcd.setCursor(0,0);
      	lcd.print("3.Mary's Lamb");
    	lcd.setCursor(1,1);
        lcd.print("/7 sec");
    	for(int j=0;j<=24;j++){
      		tone(A5,sheep[0][j]);
          	lcd.setCursor(0,1);
        	delay(sheep[1][j]);
        	noTone(A5);
        	delay(20);
      }
      noTone(A5);
      break;
    default:
    	break;
    }
  }